Effects of polyunsaturated fatty acids (PUFA) supplementation on pregnancy rates to fixed-time AI in crossbred dairy cows - Peres, R. F. G. [UNESP]; Lopes, C. N. [UNESP]; Claro, I. [UNESP]; Araujo, T.; Cooke, Reinaldo Fernandes [UNESP]; Vasconcelos, José Luiz Moraes [UNESP] (Nottingham University Press, 2010)